Commercial Air Filters

Self Supported
Rigid
Air Filters

Holt
Filter's extended surface self-supported rigid box filters are designed
for use in air filtration systems and equipment where medium to high efficiency
filtration is required. Available in a wide variety of standard sizes and
depths, the FILTER PAK provides optimal performance in variable air volume
systems.

The standard offering
is rated by Underwriters Laboratories as Class II, per UL Standard 900.

Rigid
construction, extended surface, low initial pressure drop measured in
inches w.g., long service life and savings in energy costs are features
and benefits which make the FILTER PAK an excellent option for meeting
the requirements of medium to high efficiency filtration.

FEATURES...

26 ga Galvanized Metal Frame

Injection molded plastic media separators

Optional galvanized metal media separators

100% polypropylene media

Available in box style and headered construction

Available in 6” and 12” depths

Available in 50%, 65%, 85%, and 95% efficiencies per ASHRAE 52.1

Available in MERV 11, 12, 13 and 14 efficiencies per ASHRAE 52.2

Expanded metal media support grid

Water resistant media to frame adhesive

UL Class II rated as per UL 900 standard

CONSTRUCTION
Galvanized
frame construction, diagonal metal support stabilizers, injection molded
plastic media separators and expanded metal media support create one of
the most rigid filters of its type in the industry.

The media pack, comprised of 100% polypropylene fibers, is bonded to the
inside perimeter of the enclosure frame by a moisture resistant adhesive,
providing a continuous and positive seal.

APPLICATIONS...
Holt
Filters Inc. full line of The
FILTER PAK is designed to work suitably within built up filter banks and/or
side access systems. The standard offering is box-type in construction.
Peripheral headers, (7/8”) are available as an option.

ABOUT
FILTERS AND MERV RATINGS
MERV RATINGS
(Minimum
Efficiency Reporting Value) are used by the HVAC (Heating, Ventilating
and Air Conditioning) industry to describe a filter's ability to remove
particulates from the air. A higher MERV rating means better filtration
and greater performance. Holt Filter's Inc. now provides both MERV 7 and
MERV 11 HVAC air filters.